/*! ******************************************************************************
 *
 * Created on 2021年11月13日
 *
 * Copyright(c) YuZhou Big Data Laboratory CO.,Ltd, 2022.  All rights reserved.
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/
package org.yzbdl.lanius.ui.spoon.market.browser;

import org.eclipse.swt.browser.Browser;
import org.yzbdl.lanius.ui.spoon.market.browser.function.MarketFunction;

/**
 * 将java方法注册为js方法
 * @author yzbdl@yzbdl.ac.cn
 *
 */
public class JavaFuntion {
	private FunctionContext functionContext;

	private static JavaFuntion registry;

	private JavaFuntion(FunctionContext functionContext) {
		this.functionContext = functionContext;
	}

	public static synchronized JavaFuntion getRegistry(FunctionContext functionContext) {
		if (registry != null && registry.getBrower() == functionContext.getBrowser()) {
			return registry;
		}
		return registry = new JavaFuntion(functionContext);
	}

	public JavaFuntion regist(Class<? extends MarketFunction> clazz)
			throws InstantiationException, IllegalAccessException {
		clazz.newInstance().regist(functionContext);
		return this;
	}

	private Browser getBrower() {
		return this.functionContext.getBrowser();
	}

}
